Home / 54,088.09-74,636.63-30,211.45

Finding the Fourth Proportional to 54,088.09, 74,636.63 and 30,211.45

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Solution

The fourth proportional to 54,088.09, 74,636.63 and 30,211.45 is: 41,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,088.09 : 74,636.63 = 30,211.45 : x
  2. Step 2: Convert to fraction form
    54,088.09/74,636.63 = 30,211.45/x
  3. Step 3: Cross multiply
    54,088.09x = 74,636.63 × 30,211.45
  4. Step 4: Simplify right side
    54,088.09x = 2,254,880,664.36
  5. Step 5: Solve for x
    x = 2,254,880,664.36/54,088.09
  6. Step 6: Final answer
    x = 41,689.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.